package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.service.SetmealService;
import com.sky.vo.DishVO;
import com.sun.org.apache.regexp.internal.RE;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private  RedisTemplate redisTemplate;
    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save ( @RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据 精确清理
        String key="dish"+dishDTO.getCategoryId();
//        redisTemplate.delete(key);

        cleanCache(key);
        return  Result.success();
    }


    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public  Result <PageResult> page(DishPageQueryDTO dishPageQueryDTO){

        log.info("菜品分页查询：{}",dishPageQueryDTO);
      PageResult pageResult=  dishService.pageQuery(dishPageQueryDTO);
        return  Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * 加requesparam 由mvc框架解析字符串
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public  Result delete (@RequestParam List<Long> ids){
        log.info("批量删除菜品:{}",ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉，所有以dish——开头的key
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }


    /**
     * 根据id查询菜品
     * @param id
     * @return
     */

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public  Result <DishVO> getById( @PathVariable Long id){

        log.info("根据菜品查id:{}",id);
        DishVO dishVO= dishService.getByIdWithFlavor(id);
        return  Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public  Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        return  Result.success();
    }

    /**
     * 更新状态
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public  Result startStop(  @PathVariable Integer status,Long id){

        dishService.startStop(status,id);

        //将所有的菜品缓存数据清理掉，所有的dish——开头的key
        cleanCache("dish_*");
        return  Result.success();

    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    public  Result <List<Dish>>list (Long categoryId){
     List<Dish> list =  dishService.list(categoryId);
     return Result.success(list);

    }

    /**
     * t统一清楚缓存数据
     * @param pattern
     */
    private  void  cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
     redisTemplate.delete(keys);
    }


}
